If you hear clicking but no ignition, spark plugs are dirty/bad, or ignition module itself failed. Simple inexpensive fix.
See if any of these signs match your device — each one increases the likelihood of this fault.
These are the causes we encounter while repairing Auto-ignition not working — ranked from most to least common.
Spark plug coated with grease/food
Bad spark plug needs replacement
Burnt ignition module
Disconnected ignition wires
Faulty selector switch
No power (battery or transformer)
Any of the following = a danger signal — call now and don't try to fix it yourself.
On-site diagnosis, clear pricing before any work, and a documented 6-month warranty.